题目内容

中龋的临床表现是

A. 龋洞形成在釉质层,患者主观症状不明显
B. 龋洞形成,患者对酸甜食物敏感
C. 龋洞形成,对温度变化的刺激敏感
D. 龋洞形成,食物嵌入洞内疼痛明显
E. 龋洞形成,患者出现自发性疼痛

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关于牙本质过敏症,正确的是

A. 并不是所有牙本质暴露的牙齿都出现敏感症状
B. 是一种独立的疾病
C. 症状不受健康和气候的影响
D. 涂局麻药于牙本质表面能减轻症状
E. 刺激去除后仍痛

Directions: In this part, you are required to write A Letter of Suggestion according to the information given in Chinese. Your writing should contain at least 120 words. Write it on the Answer Sheet. 假如你是Zhang Ying,你的同学Xiao Wang要在国庆节放假期间探望你,请你给他写一封信,表示欢迎他的到来,提出对度假安排的建议,并提醒应注意的事项。

I found that impossible to answer all the questions within the time given.

Under no circumstances he would give up his writing.

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